|
S6E2HE4E0A Datasheet, PDF (150/164 Pages) – | |||
|
◁ |
åç
S6E2HE ç³»å
12 ä½ A/D 转æ¢å¨å®ä¹æ¯è¯
ï¯ å辨çï¼
ï¯ ç§¯åé线æ§ï¼
ï¯ å·®åé线æ§ï¼
A/D 转æ¢å¨è½è¯å«åºçæ°å¼åå¨æå°å»åº¦ã
é¶è½¬æ¢ç¹ï¼0b000000000000 ââ 0b000000000001ï¼å°å
¨éç¨è½¬æ¢ç¹
ï¼0b111111111110 ââ0b111111111111ï¼ä¹é´è¿çº¿ä¸å®é
转æ¢ç¹æ§çåå·®ã
ä¸è¾å
¥çµåçæ³å¼çåå·®ï¼ç¨äºå¯¹è¾åºå¼è¿è¡ 1 LSB è°æ´ã
积åé线æ§
å¾®åé线æ§
0xFFF
å®é
转æ¢ç¹æ§
0xFFE
{1 LSB(N-1) + VZT}
0xFFD
0x(N+1)
å®é
转æ¢ç¹æ§
VFST
ï¼å®é
æµéå¼ï¼
çæ³ç¹æ§
0xN
0x004
0x003
0x002
0x001
VNT
ï¼å®é
æµéå¼ï¼
å®é
转æ¢ç¹æ§
çæ³ç¹æ§
VZT ï¼å®é
æµéå¼ï¼
0x(N-1)
0x(N-2)
V(N+1)T
ï¼å®é
æµéå¼ï¼
VNT
ï¼å®é
æµéå¼ï¼
å®é
转æ¢ç¹æ§
AVss
模æè¾å
¥
AVRH
AVss
模æè¾å
¥
AVRH
æ°åè¾åº N ç积åéçº¿æ§ =
VNT - {1LSB Ã (N - 1) + VZT}
1LSB
[LSB]
æ°åè¾åº N çå¾®åéçº¿æ§ =
V(N + 1) T - VNT
1LSB
- 1 [LSB]
1LSB =
VFST - VZT
4094
Nï¼ A/D 转æ¢å¨çæ°åè¾åºå¼ã
VZTï¼ æ°åè¾åºå¼ä» 0x000 å为 0x001 ççµåã
VFSTï¼ æ°åè¾åºå¼ç± 0xFFE å为 0xFFF ççµåã
VNTï¼ æ°åè¾åºå¼ç± 0x(N â 1)æ´æ¹ä¸º 0xN ççµåã
ææ¡£ç¼å·ï¼002-00219 çæ¬**
页 150/164
|
▷ |